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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> ID 404 N Wlget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)92t-0100 <br /> Analytical 1455 McDowell Blvd North,Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> r <br /> xx-xr^""••_r^^rn^n—r-x—»»—......."r sx r x rs—_'�_ ---_—_ — — -- __——: ssss n x� "x.x... .... —.. »...—..— _ --— _ """'..""""' __ <br /> Gettler Ryan[Geostrategies Client Prol ID Unocal SS# 5417, 180179 85Y �~Sampled_11/23/98 <br /> 6747 Sierra Court Suite J Sample Descript- MW-3 Received 11/23/98 <br /> Dublin, CA 94568 Matrix LIQUID = <br /> Analysis Method EPA 8260 Analyzed 11/30/98 <br /> Attention Deanna Harding Lab Number- 9811A00-04_ Reported 12117198 <br />]C Batch Number MS113098MTBEH6A <br /> istrument ID H6 <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl t-Butyl Ether (MTBE) 20 N D <br /> DI-Isopropyl Ether (DIPE) 20 N D <br /> Ethyl t-Butyl Ether (ETBE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichloroethane-d4 76 114 104 <br /> 1b <br />,nalytes reported as N D were not present above the stated limit of detection <br /> iEOUOIA ANALYTICAL - ELAP 01210 <br /> Octer <br /> Manager page t3 <br />